Since the purpose of the construction of objects of different projects and Drilling Drill Used car brand, so more types of rigs. Rig can use classification, such as core drilling rig, oil rigs, drilling rig and hydrogeological investigations, engineering geological exploration drilling rig, drilling rig and construction drills. By drilling methods can be divided into four categories to rig: 1. Impact drills, is divided into rope impact, impact type two drill rigs. 2. The rotary drilling rig which sell second-hand car, is divided into the following three types: vertical style - hand-fed, differential feed screw, hydraulic feed rig; turntable - steel Size of the pull decompression type, hydraulic cylinder decompression rig; mobile Rotator style - full hydraulic power head, mechanical power head rig. 3. vibration rig. 4. Composite rig: vibration, shock, rotating, static pressure, and other functions in various combinations together complex rig. Used car manufacturers drilling, safety precautions when normal drilling rig. Compressor Rental Co., Ltd. Shanxi Qishan of used and second-hand air compressor rig lease and sell! 1, according to drilling conditions and ammeter rock number, always adjust the drill shaft pressure, turning effort to avoid overload. 2, Derrick swing serious, should alleviate the pressure axis. 3, with the upper and lower rock must be smooth, anxious to avoid mentioning the next emergency. 4, when the drill anyway, turn the main switch must wait for a complete stop before reversing. Used car models drill, air compressor Qishan (certified), Xinxiang used drills provided by Kisan Compressor Rental Co., Ltd. Shanxi. Shanxi Kisan Compressor Rental Co. (www.qskyjzl.com) (www.qskyjzl.com) is Taiyuan, compression, separation equipment leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness , and satisfy customer needs. In Qishan compressor leadership with the staff warmly welcome all inquiries negotiations to create Qishan compressor a better future. You can also access (www.qskyjzl.com/supply_details_41757775.html), for more information about the company.